Research on Applicability of Fiber Bragg Grating Sensor for Ship Structure Monitoring System

A complete application research of Fiber Bragg Grating sensing technology in ship structure stress monitoring and evaluation system is studied in this paper. The working principles of Fiber Bragg Grating strain sensor in monitoring system are briefly introduced. And a kind of new differential FBG st...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2019-11, Vol.686 (1), p.12027
Main Authors: Tang, Haoyun, Ren, Huilong, Jia, Lianhui
Format: Article
Language:English
Subjects:
Bragg gratings
Force measurement
Monitoring
Monitoring systems
Reliability engineering
Sensors
Strain
Structural reliability
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Summary:A complete application research of Fiber Bragg Grating sensing technology in ship structure stress monitoring and evaluation system is studied in this paper. The working principles of Fiber Bragg Grating strain sensor in monitoring system are briefly introduced. And a kind of new differential FBG strain sensor for ship structure stress monitoring is applied and verified by a series of calibration and force measurement test systematically. Through finite element calculation and test towards ship structure, some defects of monitoring sensor used in bending deformation are found. Then, a three-dimensional strain sensor arrangement for stress monitoring of hull structure is designed and developed. The satisfactory test results are obtained by this sensor arrangement. Finally, the accuracy and reliability of hull structure monitoring system is improved further through this research results.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/686/1/012027